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Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Budker Institute of Nuclear PhysicsRU2.1k papers
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80 papers · 1 filter
Electron diffusion induced valley Hall effect and nonlinear galvanodiffusive transport in hexagonal 2D Dirac monolayer materials
A. V. Snegirev, V. M. Kovalev, M. V. Entin
Diffusion currents are theoretically examined in two-dimensional Dirac materials, such as those of the transition metal dichalcogenides (TMD) family. The transversal effects are an…
Nonlinear circular valley photogalvanic effect
M. V. Entin, V. M. Kovalev
We develop a theory of circular photogalvanic effect in non-gyrotropic two-dimensional transition metal dichalcogenide monolayers under interband optical transitions. Oblique incid…
Dynamic polarization of electron spins in indirect band gap (In,Al)As/AlAs quantum dots in weak magnetic field: experiment and theory
T. S. Shamirzaev, A. V. Shumilin, D. S. Smirnov +3
A novel spin orientation mechanism - dynamic electron spin polarization has been recently suggested in Phys. Rev. Lett. , 156801 (2020). It takes place for unpolarize…
The influence of constriction on the motion of graphene kinks
D. C. Nguyen, R. D. Yamaletdinov, Y. V. Pershin
Graphene kinks are topological states of buckled graphene membranes. We show that when a moving kink encounters a constriction, there are three general classes of behavior: reflect…
Kinks in buckled graphene uncompressed and compressed in the longitudinal direction
R. D. Yamaletdinov, Y. V. Pershin
In this Chapter we provide a review of the main results obtained in the modeling of graphene kinks and antikinks, which are elementary topological excitations of buckled graphene m…
A memristive model for graphene emitters: hysteresis and self-crossing
D. V. Gorodetskiy, S. N. Shevchenko, A. V. Gusel'nikov +1
Hysteresis exhibited by current-voltage characteristics during field-emission experiments is often considered undesirable in terms of practical applications. However, this is an ap…
Quantum Dot in a Hybrid Structure with Dipolar Excitons
M. M. Mahmoodian, A. V. Chaplik
Electron states in a quantum dot (QD) located near a 2D system of dipolar excitons are perturbed by fluctuations of the exciton density caused by the electron-exciton interaction.…
Dynamic polarization of electron spins interacting with nuclei in semiconductor nanostructures
D. S. Smirnov, T. S. Shamirzaev, D. R. Yakovlev +1
We suggest a new spin orientation mechanism for localized electrons: . The angular momentum for the electr…
Many-particle effects in optical transitions from zero-mode Landau levels in HgTe quantum wells
S. S. Krishtopenko, A. M. Kadykov, S. Gebert +9
We report on the far-infrared magnetospectroscopy of HgTe quantum wells with inverted band ordering at different electron concentrations. We particularly focus on optical transitio…
Conductivity of a two-dimensional HgTe layer near the critical width: The role of developed edge states network and random mixture of - and -domains
M. M. Mahmoodian, M. V. Entin
The conductivity of a two-dimensional HgTe quantum well with a width 6.3~nm, close to the transition from ordinary to topological insulating phases, is studied. The Fermi lev…
Proposal for Plasmon Spectroscopy of Fluctuations in Low-Dimensional Superconductors
V. M. Kovalev, I. G. Savenko
We propose to employ an optical spectroscopy technique to monitor the superconductivity and properties of superconductors in the fluctuating regime. This technique is operational c…
Triplet excitation and electroluminescence from a supramolecular monolayer embedded in a boron nitride tunnel barrier
Simon A. Svatek, James Kerfoot, Alex Summerfield +7
We show that ordered monolayers of organic molecules stabilized by hydrogen bonding on the surface of exfoliated few-layer hexagonal boron nitride (hBN) flakes may be incorporated…
Suppressed Auger scattering and tunable light emission of Landau-quantized massless Kane electrons
D. B. But, M. Mittendorff, C. Consejo +9
The Landau level laser has been proposed a long time ago as a unique source of monochromatic radiation, widely tunable in the THz and infrared spectral ranges using an externally a…
Quantum Anomalous Valley Hall Effect for Bosons
V. M. Kovalev, I. G. Savenko
We predict the emergence and quantization of the valley Hall current of indirect excitons residing in noncentrosymmetric two-dimensional materials in the absence of an external mag…
Optical orientation and alignment of excitons in direct and indirect band gap (In,Al)As/AlAs quantum dots with type-I band alignment
J. Rautert, T. S. Shamirzaev, S. V. Nekrasov +4
The spin structure and spin dynamics of excitons in an ensemble of (In,Al)As/AlAs quantum dots (QDs) with type-I band alignment, containing both direct and indirect band gap dots,…
Unconventional Bloch-Grüneisen scattering in hybrid Bose-Fermi systems
Kristian Hauser A. Villegas, Meng Sun, Vadim M. Kovalev +1
We report on the novel mechanism of electron scattering in hybrid Bose-Fermi systems consisting of a two-dimensional electron gas in the vicinity of an exciton condensate: We show…
Microwave absorption in a 2D topological insulators with a developed network of edge states
M. M. Mahmoodian, M. V. Entin
The 2D HgTe quantum well is analyzed based on the assumption that the width fluctuations convert the system to a random mixture of domains with positive and negative energy gaps. T…
Contribution of electron-phonon coupling to the luminescence spectra of single colloidal quantum dots
Eduard A. Podshivaylov, Maria A. Kniazeva, Aleksei A. Gorshelev +3
Luminescence spectroscopy experiments were realized for single colloidal quantum dots CdSe/ZnS in a broad temperature range above room temperature in a nitrogen atmosphere. Broaden…
Bogolon-mediated electron scattering in graphene in hybrid Bose-Fermi systems
Meng Sun, K. H. A. Villegas, V. M. Kovalev +1
We report on an unconventional mechanism of electron scattering in graphene in hybrid Bose- Fermi systems. We study energy-dependent electron relaxation time, accounting for the pr…
Photogalvanic currents in dynamically gapped Dirac materials
V. M. Kovalev, I. G. Savenko
We develop a microscopic theory of an unconventional photogalvanic effect in two-dimensional materials with the Dirac energy spectrum of the carriers of charge under strong driving…
Photogalvanic Effect in 2D Dichalcogenides Under Double Illumination
M. V. Entin, L. I. Magarill, V. M. Kovalev
We study the photogalvanic effect caused by a simultaneous action of circular-polarized interband and linearly-polarized intraband illuminations. It is found that, in such conditio…
Perspectives of HgTe Topological Insulators for Quantum Hall Metrology
Ivan Yahniuk, Sergey S. Krishtopenko, Grzegorz Grabecki +16
We report the studies of high-quality HgTe/(Cd,Hg)Te quantum wells (QWs) with a width close to the critical one , corresponding to the topological phase transition and graphen…
Photoinduced electric currents in Bose-Einstein condensates
V. M. Kovalev, I. G. Savenko
We calculate a light-induced electric current which can occur from a Bose-Einstein condensate under the action of an external electromagnetic field with the frequency exceeding the…
Electron-electron interaction in graphene at finite Fermi energy
A. I. Milstein, I. S. Terekhov
The wave equation describing the interaction of two electrons in graphene at arbitrary value of the Fermi energy is derived. For the solutions of this equation, we have found…